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187 papers · 1 filter
Cross-Correlation of SDSS DR7 Quasars and DR10 BOSS Galaxies: The Weak Luminosity Dependence of Quasar Clustering at z~0.5
Yue Shen, Cameron K. McBride, Martin White +21
We present the measurement of the two-point cross-correlation function (CCF) of 8,198 Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7) quasars and 349,608 DR10 CMASS galaxies f…
The VIRUS-P Exploration of Nearby Galaxies (VENGA): The Xco Gradient in NGC 628
Guillermo A. Blanc, Andreas Schruba, Neal J. Evans +13
We measure the radial profile of the 12CO(1-0) to H_2 conversion factor (Xco) in NGC 628. The Hαemission from the VENGA integral field spectroscopy is used to map the star formatio…
CLASH: The enhanced lensing efficiency of the highly elongated merging cluster MACS J0416.1-2403
A. Zitrin, M. Meneghetti, K. Umetsu +21
We perform a strong-lensing analysis of the merging galaxy cluster MACS J0416.1-2403 (M0416; z=0.42) in recent CLASH/HST observations. We identify 70 new multiple images and candid…
The Carnegie-Irvine Galaxy Survey. III. The Three-Component Structure of Nearby Elliptical Galaxies
Song Huang, Luis C. Ho, Chien Y. Peng +2
Motivated by recent developments in our understanding of the formation and evolution of massive galaxies, we explore the detailed photometric structure of a representative sample o…
Cosmological Evolution of Supermassive Black Holes: Mass Functions and Spins
Yan-Rong Li, Jian-Min Wang, Luis C. Ho
We derive the mass function of supermassive black holes (SMBHs) over the redshift range 0<z<2, using the latest deep luminosity and mass functions of field galaxies. Applying this…
Intragroup and Galaxy-Linked Diffuse X-ray Emission in Hickson Compact Groups
Tyler D. Desjardins, Sarah C. Gallagher, Panayiotis Tzanavaris +9
Isolated compact groups of galaxies (CGs) present a range of dynamical states, group velocity dispersions, and galaxy morphologies with which to study galaxy evolution, particularl…